For the amplifier shown below, the ideal Vou VS. Vin characteristic has been plotted. However, you've seen in Lab that the output voltages cannot go to infinity. Given the op-amp circuit details – specifically, the power supply voltages - draw a new Vou Vs. Vin characteristic on the plot that accounts for saturation of the output. a. 80 k2 20 k2 10 V Vout Vin + 10 V

For the amplifier shown below, the ideal Vou VS. Vin characteristic has been plotted. However, you've seen in Lab that the output voltages cannot go to infinity. Given the op-amp circuit details – specifically, the power supply voltages - draw a new Vou Vs. Vin characteristic on the plot that accounts for saturation of the output. a. 80 k2 20 k2 10 V Vout Vin + 10 V

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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(a) Design a single-stage inverting ampliﬁer with a gain of 46 dB using an operational ampliﬁer. The input resistance should be as low as possible while achieving the op amp output drive capability mentioned here. The ampliﬁer must be able to produce the signal vo = (10sin1000t) V at its output when an external load resistance RL ≥ 5k Ω is connected to the output of the ampliﬁer. You have an operational ampliﬁer available whose output is guaranteed to deliver ±10 V into a 4-kΩ load resistance. Otherwise, the ampliﬁer is ideal. (b) If the ampliﬁer input signal is vi = V sin1000t, what is the largest acceptable value for the input signal amplitude V? (c) What is the input resistance of your ampliﬁer?
Convert the inverting amplifier shown to thetransresistance amplifier as shown(66) using a Nortontransformation of vi and R1. What are the expressionsfor iTH and RTH? Write a expression forthe gain vo/vi.
Given circuit, assume op-amp is ideal. What is the input resistance of the circuit, RIN? What are the currents in the inputs of op-amp? i-=? i+=? What is the output resistance of the circuit, ROUT=? Find voltage VA and VB? What is the nodal equation (KCL) at node VB? Solve for VOUT=?
Suppose the op amp shown has an fT of 3 MHz. What is the phase margin of the ampliﬁer?
Determine the output voltage of an op-amp forinput voltages of Vi1=150μV, Vi2=140μV and CMRRs of100 and 105. (Given Ad =4000) Vd=? Vc=?
A certain amplifier has an open-circuit voltage gain of unity, an input resistance of 1 MΩ and an output resistance of 100 Ω. The signal source has an internal voltage of 5 V rms and an internal resistance of 100 kΩ. The load resistance is 50 Ω. If the signal source is connected to the amplifier input terminals and the load is connected to the output terminals, find the voltage across the load and the power delivered to the load. Next, consider connecting the load directly across the signal source without the amplifier, and again find the load voltage and power. Compare the results. What do you conclude about the usefulness of a unity-gain amplifier in delivering signal power to a load?
Design a linear amplifier, based on a bipolar junction transistor 2N3904 in common emitter configuration. The supply voltage is 28V. The quiescent operating collector current for the amplifier should be around 10mA. The data sheet for the transistor shows that the DC current gain at this operating current is about 200. Draw the circuit diagram of your design. Label all the components in the circuit. Show all the voltages and currents that you use for calculations in your design. Label them using consistent naming convention.
For the ideal op amp shown, what should be the value of resistor Rf to obtain a gain of 5?
Suppose we have a resistive load that varies from 5 kΩ to 10 kΩ .We connect this load to an amplifier, and we need the voltage across the load to vary by less than 1 percent with variations in the load resistance. What parameter of the amplifier is important in this situation? What range of values is allowed for the parameter?
For the circuit given, a) Find VO in terms of V1 and V2. b) If V1=2V and V2=6V, find VO. c) If the op-amp supplies are ±12V, and V1=4V, what is the allowable range of V2?
Consider the active circuit with the schematic:a. Assuming it's an ideal op amp, derive the circuit’s transfer function as a function of frequency, H(jw). Make sure it in canonical form.b. We want a DC gain of 40dB. If the op amp has value of Rin = 10MΩ and Rout = 50Ω, choose appropriate values for R1 and R2. Explain why your selected values of R1 and R2 allow you to ignore Rin and Rout for the remainder of the problem. c. If L = 1H, sketch the straight-line approximation of the Bode plot for the circuit’s gain assuming the op amp can still be considered as ideal.d. The op amp you select turns out to be non-ideal, and it has a real pole at wC = 1krad/s. Write the updated transfer function for your circuit (using your values of R1, R2, and L = 1H). Make it in the canonical form.e. Sketch the straight-line approximation of the Bode plot for the circuit with your updated transfer function from D.
Consider the active circuit with the schematic:a. Assuming it's an ideal op amp, derive the circuit’s transfer function as a function of frequency, H(jw). Make sure it in canonical form.b. We want a DC gain of 40dB. If the op amp has value of Rin = 10MΩ and Rout = 50Ω, choose appropriate values for R1 and R2. Explain why your selected values of R1 and R2 allow you to ignore Rin and Rout for the remainder of the problem.